Electric vehicle frame capable of adjusting height of seat cushion

Abstract

The utility model discloses an electric bicycle frame with an adjustable cushion height, which belongs to the field of electric bicycle frames and comprises a frame component and a cushion component, the frame component comprises a frame body, a connecting plate is fixedly mounted in the frame body, a positioning cylinder is mounted in the connecting plate, a connecting frame is mounted at the upper end of the frame body, and the cushion component is mounted on the connecting frame. According to the electric bicycle frame, the bicycle frame assembly is matched with the cushion assembly, the height and the angle of the cushion body can be adjusted, and therefore the use convenience of the electric bicycle frame is improved; and meanwhile, the overall strength of the electric vehicle frame can be remarkably enhanced, and the service life of the electric vehicle frame can be prolonged.

Description

Technical Field

[0001] The utility model relates to the field of electric vehicle frames, in particular to an electric vehicle frame with an adjustable seat cushion height. Background Art

[0002] Electric vehicles are important means of transportation in daily life. In order to ensure the convenience of using electric vehicles, it is necessary to use an electric vehicle frame that is convenient for adjusting the seat cushion height. Among them, the "A safe electric vehicle frame" disclosed in the application number "CN202121030733.1" is also an increasingly mature technology. Its "The utility model is provided with a limiting ring and an adjusting bolt. The limiting ring is installed on the seat frame assembly by a sleeve connection. By rotating the adjusting bolt, the extrusion plate is pushed to extrude the seat frame assembly, thereby achieving the effect of extrusion and fixing. The seat cushion is installed by the arrangement of the plug-in seat and the limiting plug-in block, and the plug-in seat and the limiting plug-in block are fixed by the arrangement of the limiting bolt, thereby increasing the stability of the seat cushion after installation. By setting the buckle belt assembly and the limiting strap, the limiting hole on the limiting strap is inserted into the buckle on the buckle belt assembly, so that the occupant can be strapped when sitting or standing on the seat cushion, thereby increasing a certain degree of safety. However, the electric vehicle rack still has the following defects during use: the seat cushion structure provided by the electric vehicle rack is indeed easy to install, but the above-mentioned seat cushion structure is not convenient for adjusting the seat cushion height and angle as needed. Based on this, it is necessary to provide an electric vehicle rack that is easy to adjust the height and angle and improve the convenience of use. In addition, the overall structure of the electric vehicle rack is simple, so its own structural strength needs to be improved. Therefore, it is urgent to provide an electric vehicle rack that can enhance the overall strength and improve the safety of use. Utility Model Content

[0003] The embodiment of the utility model provides an electric vehicle frame with an adjustable seat height, aiming to solve the problem that the existing electric vehicle frame is not convenient for adjusting the seat angle and height, and the overall strength needs to be improved.

[0004] To achieve the above-mentioned purpose, the utility model provides an electric vehicle frame with adjustable seat height, comprising a frame assembly and a seat assembly;

[0005] The frame assembly includes a frame body, a connecting plate fixedly installed inside the frame body, a positioning cylinder installed inside the connecting plate, a connecting frame installed at the upper end of the frame body, two dampers hingedly connected between the frame body and the connecting frame, buffer springs sleeved on the side surfaces of the dampers, and a mounting rod installed at the front end of the frame body;

[0006] A seat cushion assembly includes a pneumatic hydraulic shaft installed inside a positioning cylinder, the upper end of the pneumatic hydraulic shaft is fixedly connected to a conical seat, a control rod is installed on one side of the conical seat, the upper end of the conical seat is fixedly connected to two connecting plates, the inside of the two connecting plates are respectively plugged with a first connecting rod and a second connecting rod, and the upper end of the conical seat is installed with a seat cushion body.

[0007] As a preferred solution of the present invention, the interiors of the frame body and the connecting frame are respectively fixedly connected with a first reinforcement frame and a second reinforcement frame.

[0008] As a preferred solution of the present invention, a receiving plate is fixedly mounted on one side of the frame body, the positioning cylinder is mounted on the upper end of the receiving plate, and a plurality of strip grooves are formed on the inner wall of the positioning cylinder.

[0009] As a preferred solution of the present invention, two hinge plates are fixedly connected to both sides of the opposite surfaces of the frame body and the connecting frame, and the upper and lower ends of the damper are fixedly connected to hinge shafts, and the hinge shafts and hinge plates are hinged to each other.

[0010] As a preferred solution of the present invention, one end of the first connecting rod is fixedly connected with a bolt, and one end of the second connecting rod is provided with a screw hole, and the bolt is threadedly connected inside the screw hole.

[0011] As a preferred solution of the present invention, circular grooves are provided on the opposite sides of the two connecting plates, and the side surfaces of the first connecting rod and the second connecting rod are fixedly connected to limiting plates, the limiting plates and the circular grooves are adapted to each other, and one end of the first connecting rod and the second connecting rod is fixedly connected to a rotating handle.

[0012] As a preferred solution of the present invention, a connecting block is fixedly connected to the lower end of the cushion body, a connecting hole is opened on the surface of the connecting block, and the first connecting rod and the second connecting rod are both inserted into the connecting hole.

[0013] As a preferred solution of the present invention, a plurality of limit bars are fixedly connected to the side surface of the pneumatic hydraulic shaft, and the plurality of limit bars are all clamped in the interior of the strip groove.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. When adjusting the height of the electric frame, you only need to turn the control lever to control the extension and retraction of the pneumatic hydraulic shaft. When pressure is applied to the pneumatic hydraulic shaft, the pneumatic hydraulic shaft lowers the seat cushion body. When the seat cushion is empty, the pneumatic hydraulic shaft lifts up to adjust the height. At the same time, the connecting block is controlled to rotate around the connecting piece. Then, the first connecting rod is screwed to connect the bolt threadedly into the screw hole. With the tightening effect of the limiting piece, the seat cushion body can be adjusted and fixed in angle. Compared with the electric frame in the prior art "a safe electric frame", the present invention can facilitate the adjustment of the height and angle of the seat cushion body through the cooperation of the above structures, thereby improving the convenience of use of the electric frame.

[0016] 2. When the electric vehicle rack is in use, the main body of the frame cooperates with the connecting frame to initially enhance its own strength. At the same time, the first reinforcing frame and the second reinforcing frame that cross in a triangular structure can further improve the overall compressive strength of the electric vehicle rack. In addition, the presence of the damper cooperates with the buffer spring to achieve a shock-absorbing effect. Compared with the electric vehicle rack in the prior art "a safe electric vehicle rack", the utility model can significantly enhance the overall compressive strength of the electric vehicle rack through the cooperation of the above structures, thereby extending the service life of the electric vehicle rack. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the frame assembly of the utility model;

[0019] Figure 3 This is a disassembled diagram of the seat cushion assembly structure of the present invention.

[0020] In the figure: 100, frame assembly; 101, frame body; 102, connecting plate; 103, positioning cylinder; 104, connecting frame; 105, damper; 106, buffer spring; 107, mounting rod; 111, first reinforcing frame; 112, second reinforcing frame; 121, receiving plate; 122, strip groove; 131, hinge plate; 132, hinge shaft;

[0021] 200, seat cushion assembly; 201, pneumatic hydraulic shaft; 202, conical seat; 203, control rod; 204, connecting plate; 205, first connecting rod; 206, second connecting rod; 207, seat cushion body; 211, bolt; 212, screw hole; 221, circular groove; 222, limit plate; 223, turning handle; 231, connecting block; 232, connecting hole; 241, limit strip. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-Figure 3 , the utility model provides an electric vehicle frame with adjustable seat cushion height, comprising a frame assembly 100 and a seat cushion assembly 200;

[0024] The frame assembly 100 includes a frame body 101, a connecting plate 102 fixedly mounted inside the frame body 101, a positioning cylinder 103 mounted inside the connecting plate 102, a connecting frame 104 mounted on the upper end of the frame body 101, two dampers 105 hingedly connected between the frame body 101 and the connecting frame 104, buffer springs 106 sleeved on the side surfaces of the dampers 105, and a mounting rod 107 mounted on the front end of the frame body 101.

[0025] The seat cushion assembly 200 includes a pneumatic hydraulic shaft 201 installed inside the positioning cylinder 103, the upper end of the pneumatic hydraulic shaft 201 is fixedly connected to a conical seat 202, a control rod 203 is installed on one side of the conical seat 202, the upper end of the conical seat 202 is fixedly connected to two connecting plates 204, the inside of the two connecting plates 204 are respectively plugged with a first connecting rod 205 and a second connecting rod 206, and the upper end of the conical seat 202 is installed with a seat cushion body 207.

[0026] In a specific embodiment, the frame assembly 100 is provided in conjunction with the seat cushion assembly 200, which can not only adjust the height and angle of the seat cushion body 207, thereby improving the convenience of use of the electric vehicle frame, but also significantly enhance the overall strength of the electric vehicle frame, thereby extending the service life of the electric vehicle frame. When in use, the frame body 101 is combined with the connecting frame 104 to initially enhance its own strength. At the same time, the first reinforcing frame 111 and the second reinforcing frame 112 that cross each other to form a triangular structure can further improve the overall compressive strength of the electric vehicle frame. At the same time, the damper 105 is combined with the buffer spring 106 to achieve a shock-absorbing effect, so that it can significantly In order to enhance the overall compressive strength of the electric frame and extend its service life, when adjusting the height and angle of the seat cushion body 207, first, turn the control lever 203 to control the lifting and lowering of the pneumatic hydraulic shaft 201. When the upper end of the seat cushion body 207 is controlled, the pneumatic hydraulic shaft 201 can lift the seat cushion body 207. When the seat cushion body 207 is subjected to pressure, the pneumatic hydraulic shaft 201 can be retracted. In addition, by controlling the seat cushion body 207 to rotate around the connecting block 231 as the center, and then twisting the first connecting rod 205 with the bolt 211 to rotate and tighten it, the angle of the seat cushion body 207 can be adjusted, thereby improving the convenience of using the electric frame.

[0027] See also Figure 2 The first reinforcement frame 111 and the second reinforcement frame 112 are fixedly connected to the interior of the frame body 101 and the connecting frame 104 respectively.

[0028] In a specific embodiment, the first reinforcement frame 111 and the second reinforcement frame 112 can help enhance the overall compressive strength of the vehicle frame assembly 100 .

[0029] See also Figure 2 A receiving plate 121 is fixedly mounted on one side of the frame body 101 , the positioning cylinder 103 is mounted on the upper end of the receiving plate 121 , and a plurality of strip grooves 122 are opened on the inner wall of the positioning cylinder 103 .

[0030] In a specific embodiment, the receiving plate 121 can improve the installation stability of the positioning cylinder 103, and the strip groove 122 is used to limit the pneumatic hydraulic shaft 201 to prevent rotation.

[0031] See also Figure 2 Two hinged plates 131 are fixedly connected to both sides of the opposite surfaces of the frame body 101 and the connecting frame 104, and the upper and lower ends of the damper 105 are fixedly connected to the hinge shaft 132, and the hinge shaft 132 and the hinged plate 131 are hinged to each other.

[0032] In a specific embodiment, the hinge shaft 132 and the hinge plate 131 are hinged to each other to facilitate the rotation of the damper 105 to fine-tune the angle, thereby ensuring the buffering effect of the damper 105.

[0033] See also Figure 3 One end of the first connecting rod 205 is fixedly connected with a bolt 211 , and one end of the second connecting rod 206 is provided with a screw hole 212 , and the bolt 211 is threadedly connected inside the screw hole 212 .

[0034] In a specific embodiment, the bolt 211 is threadedly connected inside the screw hole 212 to enhance the fastening strength of the first connecting rod 205 , the second connecting rod 206 and the connecting piece 204 .

[0035] See also Figure 3 , circular grooves 221 are provided on the opposite sides of the two connecting plates 204, and the side surfaces of the first connecting rod 205 and the second connecting rod 206 are fixedly connected to the limiting plate 222, the limiting plate 222 and the circular groove 221 are adapted to each other, and one end of the first connecting rod 205 and the second connecting rod 206 is fixedly connected to a rotating handle 223.

[0036] In a specific embodiment, as the first connecting rod 205 and the second connecting rod 206 go deeper, they cooperate with the limiting piece 222 to provide positioning strength for the seat cushion body 207 .

[0037] See also Figure 3 The lower end of the cushion body 207 is fixedly connected to a connecting block 231 , and a connecting hole 232 is opened on the surface of the connecting block 231 . The first connecting rod 205 and the second connecting rod 206 are both inserted into the interior of the connecting hole 232 .

[0038] In a specific embodiment, the angle of the seat cushion body 207 can be adjusted by controlling the connecting block 231 to rotate around the connecting piece 204 , and the connecting hole 232 facilitates positioning of the first connecting rod 205 and the second connecting rod 206 .

[0039] See also Figure 2 and Figure 3 The side surface of the pneumatic hydraulic shaft 201 is fixedly connected with a plurality of limit bars 241 , and the plurality of limit bars 241 are all clamped inside the strip groove 122 .

[0040] In a specific embodiment, the limiting strip 241 is clamped inside the strip groove 122 to improve the positioning effect of the pneumatic hydraulic shaft 201 and prevent the pneumatic hydraulic shaft 201 from rotating with the seat cushion body 207.

[0041] Working principle: When in use, the frame body 101 cooperates with the connecting frame 104 to initially enhance its own strength. At the same time, the damper 105 cooperates with the buffer spring 106 to achieve a shock-absorbing effect, thereby significantly enhancing the overall compressive strength of the electric frame, so as to extend the service life of the electric frame. When adjusting the height and angle of the seat cushion body 207, first turn the control lever 203 to control the lifting and lowering of the pneumatic hydraulic shaft 201. When the upper end of the seat cushion body 207 is controlled, the pneumatic hydraulic shaft 201 can lift the seat cushion body 207. When the seat cushion body 207 is subjected to pressure, the pneumatic hydraulic shaft 201 can be retracted. Subsequently, the seat cushion body 207 is controlled to rotate around the connecting block 231 as the center, and then the first connecting rod 205 is twisted to rotate and tighten the bolt 211 to adjust the angle of the seat cushion body 207, thereby improving the convenience of the electric frame.

[0042] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0043] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric vehicle frame with adjustable seat height, characterized in that: include: A frame assembly (100) includes a frame body (101), a connecting plate (102) fixedly installed inside the frame body (101), a positioning cylinder (103) installed inside the connecting plate (102), a connecting frame (104) installed at the upper end of the frame body (101), two dampers (105) hingedly connected between the frame body (101) and the connecting frame (104), a buffer spring (106) sleeved on the side surface of the damper (105), and a mounting rod (107) installed at the front end of the frame body (101); A seat cushion assembly (200) includes a pneumatic hydraulic shaft (201) installed inside a positioning cylinder (103), the upper end of the pneumatic hydraulic shaft (201) is fixedly connected to a conical seat (202), a control rod (203) is installed on one side of the conical seat (202), the upper end of the conical seat (202) is fixedly connected to two connecting pieces (204), the interiors of the two connecting pieces (204) are respectively plugged with a first connecting rod (205) and a second connecting rod (206), and the upper end of the conical seat (202) is installed with a seat cushion body (207).

2. The electric vehicle frame with adjustable seat height according to claim 1, characterized in that: The interiors of the vehicle frame body (101) and the connecting frame (104) are respectively fixedly connected with a first reinforcing frame (111) and a second reinforcing frame (112).

3. The electric vehicle frame with adjustable seat height according to claim 1, characterized in that: A receiving plate (121) is fixedly mounted on one side of the frame body (101), the positioning cylinder (103) is mounted on the upper end of the receiving plate (121), and a plurality of strip-shaped grooves (122) are formed on the inner wall of the positioning cylinder (103).

4. The electric vehicle frame with adjustable seat height according to claim 1, characterized in that: Two hinged plates (131) are fixedly connected to opposite sides of the vehicle frame body (101) and the connecting frame (104); upper and lower ends of the damper (105) are fixedly connected to hinged shafts (132); and the hinged shafts (132) and the hinged plates (131) are hinged to each other.

5. The electric vehicle frame with adjustable seat height according to claim 1, characterized in that: One end of the first connecting rod (205) is fixedly connected with a bolt (211), and one end of the second connecting rod (206) is provided with a screw hole (212), and the bolt (211) is threadedly connected inside the screw hole (212).

6. The electric vehicle frame with adjustable seat height according to claim 1, characterized in that: The opposite sides of the two connecting pieces (204) are each provided with a circular groove (221); the side surfaces of the first connecting rod (205) and the second connecting rod (206) are both fixedly connected with a limiting piece (222); the limiting piece (222) and the circular groove (221) are adapted to each other; one end of the first connecting rod (205) and the second connecting rod (206) are both fixedly connected with a rotating handle (223).

7. The electric vehicle frame with adjustable seat height according to claim 1, characterized in that: The lower end of the cushion body (207) is fixedly connected to a connecting block (231), a surface of the connecting block (231) is provided with a connecting hole (232), and the first connecting rod (205) and the second connecting rod (206) are both inserted into the connecting hole (232).

8. The electric vehicle frame with adjustable seat height according to claim 1, characterized in that: A plurality of limiting strips (241) are fixedly connected to the side surface of the pneumatic hydraulic shaft (201), and the plurality of limiting strips (241) are all clamped inside the strip groove (122).

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